How many different phone numbers are allowed on a conference call?
Yes, there is a limit.
If you are not using HD Voice or VoLTE call, you can only add 2 people, for a total of 3 on the conference call.
If you are using HD Voice or VoLTE, you can add 5 other people, for a total of 6 on the conference call.
Of course, there are other options you can set up to get more people on a conference call, but those are the limits through your standard Verizon service.